EP3669736B1 - Cyclonic separator device connectable to aspirators in workbenches, and aspirator machine fitted with said cyclonic separator - Google Patents
Cyclonic separator device connectable to aspirators in workbenches, and aspirator machine fitted with said cyclonic separator Download PDFInfo
- Publication number
- EP3669736B1 EP3669736B1 EP19215177.7A EP19215177A EP3669736B1 EP 3669736 B1 EP3669736 B1 EP 3669736B1 EP 19215177 A EP19215177 A EP 19215177A EP 3669736 B1 EP3669736 B1 EP 3669736B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cyclone separator
- filtering element
- air flow
- filtering
- exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims description 37
- 238000001914 filtration Methods 0.000 claims description 34
- 239000002699 waste material Substances 0.000 claims description 16
- 230000001939 inductive effect Effects 0.000 claims description 9
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1658—Construction of outlets
- A47L9/1666—Construction of outlets with filtering means
Definitions
- the present invention relates to a so-called "cyclone separator" which can be mounted and functionally integrated with a suction device that can be employed in work contexts wherein a swarf of material is created, and wherein such suction device has the main function of collecting and clearing such swarf from the working area (and consequently, the invention also relates to a suction device equipped with such cyclone separator).
- soles and / or shoe uppers finishing processes may be cited, which during the rounding or assembly can generate various types of slag (sole or upper trimmings, solid surpluses of adhesives mechanically withdrawn during processing, granules of various materials and so on): in this context, a human operator takes great advantage in the presence of a suction blower, which can even be of the swiveling type so as to position itself, at least as regards its suction orifice, in the most appropriate spatial position to maximize the effect of removing unwanted materials and / or of not interfering in the actions of the operator himself.
- the suction blowers of the prior art consist of the aforementioned suction orifice (connected to a hose or joint that can make it fixed or swiveling) adequately de-pressurized precisely in order to exert the suction effect, and a separation system of the sucked in air from the waste or scrap materials sucked in during the activity of the suction blower itself: in turn, these separation systems are often based on the so-called "cyclone technology", which is based on the creation of a whirling motion of the sucked in air, and on the separation of air from the sucked in materials by centrifugal / centripetal effect.
- the devices adopted nowadays on an industrial level for the suction of solid materials currently in use are not able to completely retain the sucked in material into the predefined collection container, leaving a certain quantity in suspension: this part of material is pushed again towards the outside by the internal pressure generated by the suction blower and this implies the fact that the air thereby contaminated is reintroduced into the environment passing through a filtration system that, having to retain an excessive amount of material, rapidly decreases its filtering efficiency leading to a frequent maintenance and replacement.
- cyclonic separators still need, typically in order to comply with the current regulations on the reintroduction of air into the environment after its separation from the waste and / or scrap material, filtering elements: such filters are usually shaped as “socks” or “bags” and are mounted externally to the cyclonic separator, so as to intercept the air after the centrifugal separation and to filter it accordingly.
- cyclonic separators of the known type can generate non-negligible environmental noise, and are therefore a source of discomfort for the operators who have to work alongside them: the greater the suction power to be used, the higher the noise.
- the aim of the present invention is therefore to provide a suction device overcoming the drawbacks of the prior art and providing the operator or the work area where it is operatively activable with a greater and better level of efficiency, reliability, maintainability and therefore of overall management cost.
- the cyclone separator according to the invention is globally indicated with the reference numeral 1 in the attached figures and, as previously mentioned, can be structurally and functionally integrated in a suction device, which can also be of a known type and is therefore not illustrated in its constitutive details.
- the cyclone separator associated as mentioned with an suction device, conveniently comprises a filtering element 2 mounted internally and / or contained within the cyclone separator 1 itself: such filtering element 2 is therefore suitable for intercepting an air flow passing through the cyclone separator 1 and, unlike the cyclone separators of the known type, it is characterized by a peculiar volumetric / topological arrangement of the filtering element itself (bringing advantages that will appear later in the present description).
- the cyclone separator 1 comprises a containment body 3a (e.g. with a cylindrical shape) extending along an axis "A" and defining in turn:
- this is shaped according for example (but not necessarily) to a cylindrical body, and in turn such body comprises:
- the filtering element 2 can be a "HEPA" type filter, and structurally the coronal filtering portion 2a can consist at least partially of a material made of canvas and / or mesh and / or porous material and / or spongy material (such material can conveniently be supported by the attestation flange 2b).
- the invention provides for the possible presence of proper constraining means, preferably of the reversible or removable type, operatively active between the containment body 3a and at least the attestation flange 2b of the filtering element 2.
- vorticity-inducing means 5 can also be present mounted inside the cyclone separator 1 and cooperatively suitable for accelerating an air flow comprising waste and / or scrap materials, and for decreasing an average diameter of turbulent structures within said air flow comprising waste and / or scrap materials along the crossing path.
- the just mentioned vorticity-inducing means 5 can operate in the cyclone separator 1 even in the absence of the filtering element 2, or can also operate in synergy with the latter, multiplying quantitatively and / or qualitatively the operative performance of the invention with respect to similar devices belonging to the prior art and consequently of the suction device which can be structurally and functionally integrated with the invention itself.
- the vorticity-inducing means 5 comprise a predetermined number of helical- and / or spiral-shaped channels extending into the containment body 3a an internal space of the containing body 3a itself: such channels are suitable for intercepting the already cited air flow comprising waste and / or scrap materials and typically define a crossing path comprising at least one spiral segment descending from intake 3b to the exhaust 3c.
- the helical- and / or spiral-shaped channels are suitable for intercepting the air flow comprising waste and / or scrap materials "upstream" from the filtering element 2 (where present and operating in synergy with the latter, and more precisely upstream in the travel direction of the crossing path defined by the containment body 3a) and preferably for directing it towards the latter.
- a separating cylinder 6 coaxially mounted in the main body 3a and circumscribed at least to the filtering portion 2a of the filtering element 2: conveniently, the vorticity-inducing means 5 are mounted on said separating cylinder 6.
- the containment body 3a and the separating cylinder 6 (which, as seen above, also acts as the supporting wall of the helical- and / or spiral-shaped channels) define two coronal spaces 4a and 4b respectively concentric and arranged within the body 3a: moreover, the separating cylinder 6 also acts as a further protection for the filtering element 2, against the material entering the invention 1.
- the sucked in material enters the containment body (otherwise called “external cylinder") 3a and is directed towards the vorticity-inducing means 5 (otherwise called “spiral conveyor”), after which the air, which contains the waste and / or scrap materials, is compressed and accelerated by the combined effect of reducing the flow section caused by the spiral conveyor with respect to the inlet section of the outer cylinder and by the action of the centrifugal force created and amplified by the spiral conformation of the conveyor itself.
- waste and / or scrap materials is then pushed towards a collection container (not shown, since it can be of a known type and for example can be placed under the conveyor, or in other words below the first end portion of the containment body 3a), where it remains permanently due to effect of the high pressure generated during the operating state of the suction device in combination with the effect of the conveyor.
- the air exiting the cyclone separator can pass through the filtering element 2, undergoing a further cleaning and separation action from those parts of the waste and / or scrap materials that have not been previously separated by centrifugation and precipitation, then exiting the exhaust 3c.
- the invention achieves a level of practicality of use and a greater utility of use and implementation with respect to the prior art.
- the same construction architecture that generates a better functional efficiency is also suitable for obtaining a significant reduction in the noise generated in the cyclonic separator, with great benefit for the quality of the working environment.
- the presence of the vorticity-inducing means also has the ability of preventing potential ignitions of the material already present in the collection container: this occurs thanks to the fact that the sparks are extinguished autonomously on contact with the walls during the passage in the spiral (prior falling into the collection container) without having to resort to additional structures or the use / presence of firefighting liquids.
- the entire invention then has a minimal spatial / volumetric footprint, and this also allows to increase its "aesthetic" value.
- the invention can also be easily integrated into structures and / or working environments of various nature, size and accessibility (as well as according to the most varied retrofitting modes in already existing systems).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cyclones (AREA)
Description
- The present invention relates to a so-called "cyclone separator" which can be mounted and functionally integrated with a suction device that can be employed in work contexts wherein a swarf of material is created, and wherein such suction device has the main function of collecting and clearing such swarf from the working area (and consequently, the invention also relates to a suction device equipped with such cyclone separator).
- As is known, in several working settings there is the need to withdraw material or to carry out a wide range of processes creating swarfs, trash material and various dirt deriving from the materials subjected to the same processes: in these settings it is therefore necessary to provide for the removal of these wastes or swarfs or scrap materials, either to avoid contaminating the product being processed or to ensure the operator performing the processes to remain in a suitable and safe working environment.
- By way of example, soles and / or shoe uppers finishing processes may be cited, which during the rounding or assembly can generate various types of slag (sole or upper trimmings, solid surpluses of adhesives mechanically withdrawn during processing, granules of various materials and so on): in this context, a human operator takes great advantage in the presence of a suction blower, which can even be of the swiveling type so as to position itself, at least as regards its suction orifice, in the most appropriate spatial position to maximize the effect of removing unwanted materials and / or of not interfering in the actions of the operator himself. Generally, the suction blowers of the prior art consist of the aforementioned suction orifice (connected to a hose or joint that can make it fixed or swiveling) adequately de-pressurized precisely in order to exert the suction effect, and a separation system of the sucked in air from the waste or scrap materials sucked in during the activity of the suction blower itself: in turn, these separation systems are often based on the so-called "cyclone technology", which is based on the creation of a whirling motion of the sucked in air, and on the separation of air from the sucked in materials by centrifugal / centripetal effect.
- In this operating setting, despite the intrinsic simplicity of the just mentioned "cyclonic" separation systems, there are still some drawbacks of a practical nature, since such separators have non-optimal limits of efficiency and / or maintenance times, especially where they must work in environments with high production of waste or scrap materials to be withdrawn.
- In greater detail, the devices adopted nowadays on an industrial level for the suction of solid materials currently in use are not able to completely retain the sucked in material into the predefined collection container, leaving a certain quantity in suspension: this part of material is pushed again towards the outside by the internal pressure generated by the suction blower and this implies the fact that the air thereby contaminated is reintroduced into the environment passing through a filtration system that, having to retain an excessive amount of material, rapidly decreases its filtering efficiency leading to a frequent maintenance and replacement. Furthermore, cyclonic separators still need, typically in order to comply with the current regulations on the reintroduction of air into the environment after its separation from the waste and / or scrap material, filtering elements: such filters are usually shaped as "socks" or "bags" and are mounted externally to the cyclonic separator, so as to intercept the air after the centrifugal separation and to filter it accordingly.
- However, such sock or bag filters are generally not very efficient, suffer from early clogging and lead to significant and repeated maintenance interventions.
- At the same time, cyclonic separators of the known type can generate non-negligible environmental noise, and are therefore a source of discomfort for the operators who have to work alongside them: the greater the suction power to be used, the higher the noise.
- Examples of cyclonic separator known in the art can be found in document
KR20030094875 KR20040023417 KR20030094873 - In comparison with the prior art and the problems mentioned above herein, the aim of the present invention is therefore to provide a suction device overcoming the drawbacks of the prior art and providing the operator or the work area where it is operatively activable with a greater and better level of efficiency, reliability, maintainability and therefore of overall management cost.
- Described herein, by way of non-limiting example, is an embodiment of a suction device according to the invention, shown in the attached exemplary, however not limiting, figures, wherein:
-
Figure 1 shows an axonometric / perspective view in transparency of a cyclone separator (associated with a suction device, which can be of a known type and therefore is not shown in the figure) according to the present invention; and -
Figures 2 ,3 and4 show views of the individual constitutive components of the cyclone separator ofFigure 1 . - The cyclone separator according to the invention is globally indicated with the
reference numeral 1 in the attached figures and, as previously mentioned, can be structurally and functionally integrated in a suction device, which can also be of a known type and is therefore not illustrated in its constitutive details. - Focusing the attention on the attached figures, note that for its part the cyclone separator, associated as mentioned with an suction device, conveniently comprises a filtering element 2 mounted internally and / or contained within the
cyclone separator 1 itself: such filtering element 2 is therefore suitable for intercepting an air flow passing through thecyclone separator 1 and, unlike the cyclone separators of the known type, it is characterized by a peculiar volumetric / topological arrangement of the filtering element itself (bringing advantages that will appear later in the present description). - From the structural point of view, the
cyclone separator 1 comprises acontainment body 3a (e.g. with a cylindrical shape) extending along an axis "A" and defining in turn: - an intake 3b, typically oriented tangentially to an intake ideal plane normal to the axis "A" and positioned at a first end portion of the containment body 3 (which for example, in the attached figures is positioned upwards and sideways on the
body 3a); and - an
exhaust 3c subsequently located with respect to the intake 3b along a crossing path subtended between the intake 3b and theexhaust 3c itself. The just defined crossing path appears to be crossable by an air sucked in by the suction device (and such air will typically contain waste and / or scrap materials that must be properly treated in the cyclone separator 1): once treated in thecyclone separator 1, the air can exit through theexhaust 3c, which in the exemplary embodiment of the attached figures is positioned at a second end portion of thecontainment body 3a. - On the contrary, as far as the structure of the filtering element 2 is concerned, it can be noted that this is shaped according for example (but not necessarily) to a cylindrical body, and in turn such body comprises:
- a
coronal filtering portion 2a mounted internally and / or contained within thecyclone separator 1 in operating conditions of the suction device (in this way, the filtering element 2 is suitable for intercepting an air flow along the aforementioned crossing path); and - an
attestation flange 2b which can be mounted, in a typically reversible manner, in the cyclone separator and, with reference to the exemplary embodiment of the figures, at and / or near theexhaust 3c. - Conveniently, in order to obtain the maximum performance of cleaning the air flow and to comply with the current regulations, the filtering element 2 can be a "HEPA" type filter, and structurally the
coronal filtering portion 2a can consist at least partially of a material made of canvas and / or mesh and / or porous material and / or spongy material (such material can conveniently be supported by theattestation flange 2b). - In order to allow the maintenance and / or inspection of the filtering element 2, the invention provides for the possible presence of proper constraining means, preferably of the reversible or removable type, operatively active between the
containment body 3a and at least theattestation flange 2b of the filtering element 2. - According to a further aspect of greater practicality and improved functionalities of the invention with respect to the prior art, vorticity-inducing means 5 can also be present mounted inside the
cyclone separator 1 and cooperatively suitable for accelerating an air flow comprising waste and / or scrap materials, and for decreasing an average diameter of turbulent structures within said air flow comprising waste and / or scrap materials along the crossing path. - The just mentioned vorticity-inducing means 5 can operate in the
cyclone separator 1 even in the absence of the filtering element 2, or can also operate in synergy with the latter, multiplying quantitatively and / or qualitatively the operative performance of the invention with respect to similar devices belonging to the prior art and consequently of the suction device which can be structurally and functionally integrated with the invention itself. - Going into detail, note that the vorticity-inducing means 5 comprise a predetermined number of helical- and / or spiral-shaped channels extending into the
containment body 3a an internal space of the containingbody 3a itself: such channels are suitable for intercepting the already cited air flow comprising waste and / or scrap materials and typically define a crossing path comprising at least one spiral segment descending from intake 3b to theexhaust 3c. - With reference to the attached figures, it can also be noted that the helical- and / or spiral-shaped channels are suitable for intercepting the air flow comprising waste and / or scrap materials "upstream" from the filtering element 2 (where present and operating in synergy with the latter, and more precisely upstream in the travel direction of the crossing path defined by the
containment body 3a) and preferably for directing it towards the latter. - In order to ensure a further increase in the quality of the air flow within the
cyclone separator 1, and to simultaneously ensure adequate support for the helical- and / or spiral-shaped channels, there is also a separatingcylinder 6 coaxially mounted in themain body 3a and circumscribed at least to the filteringportion 2a of the filtering element 2: conveniently, the vorticity-inducing means 5 are mounted on said separatingcylinder 6. From the geometric / topological point of view, note that thecontainment body 3a and the separating cylinder 6 (which, as seen above, also acts as the supporting wall of the helical- and / or spiral-shaped channels) define twocoronal spaces body 3a: moreover, the separatingcylinder 6 also acts as a further protection for the filtering element 2, against the material entering theinvention 1. - The operation of the
cyclone separator 1 according to the invention is as follows. - The sucked in material enters the containment body (otherwise called "external cylinder") 3a and is directed towards the vorticity-inducing means 5 (otherwise called "spiral conveyor"), after which the air, which contains the waste and / or scrap materials, is compressed and accelerated by the combined effect of reducing the flow section caused by the spiral conveyor with respect to the inlet section of the outer cylinder and by the action of the centrifugal force created and amplified by the spiral conformation of the conveyor itself.
- The waste and / or scrap materials is then pushed towards a collection container (not shown, since it can be of a known type and for example can be placed under the conveyor, or in other words below the first end portion of the
containment body 3a), where it remains permanently due to effect of the high pressure generated during the operating state of the suction device in combination with the effect of the conveyor. - Naturally, the air exiting the cyclone separator can pass through the filtering element 2, undergoing a further cleaning and separation action from those parts of the waste and / or scrap materials that have not been previously separated by centrifugation and precipitation, then exiting the
exhaust 3c. - The invention achieves a level of practicality of use and a greater utility of use and implementation with respect to the prior art.
- Primarily, thanks to the peculiar construction architecture of the cyclone separator described above herein (and claimed hereinafter) a considerably greater filtering efficiency can be obtained, combined with an increased efficiency and a longer "life cycle" of the filtering element.
- Moreover, the same construction architecture that generates a better functional efficiency is also suitable for obtaining a significant reduction in the noise generated in the cyclonic separator, with great benefit for the quality of the working environment.
- Even more particularly, the fact that all the components of the separator - and in particular the filtering element - are within the "main cylinder" makes the filter itself very well protected (also thanks to the presence of the "internal separator") both from the sucked in material and from the dirt naturally present in the working environment (dirt that is normally deposited on the outside of the external bag type filters of the known type) with further advantages in terms of efficiency, duration and maintenance of the filter and of the entire workstation wherein the present invention operates.
- Moreover, in the case of processing ferrous material that can cause the aspiration of sparks, the presence of the vorticity-inducing means (or in other words, of the "spiral conveyor") also has the ability of preventing potential ignitions of the material already present in the collection container: this occurs thanks to the fact that the sparks are extinguished autonomously on contact with the walls during the passage in the spiral (prior falling into the collection container) without having to resort to additional structures or the use / presence of firefighting liquids.
- The entire invention then has a minimal spatial / volumetric footprint, and this also allows to increase its "aesthetic" value.
- The invention can also be easily integrated into structures and / or working environments of various nature, size and accessibility (as well as according to the most varied retrofitting modes in already existing systems).
Claims (8)
- Cyclone separator (1) associated with a suction device, comprising a filtering element (2) mounted inside and / or contained inside said cyclone separator (1), said filtering element (2) being suitable for intercepting an air flow passing through the cyclone separator (1).
characterized in that
there are also vorticity-inducing means (5) mounted inside the cyclone separator (1) and cooperatively suitable for accelerating an air flow comprising waste and / or scrap materials and / or for decreasing an average diameter of turbulent structures within said air flow comprising waste and / or scrap materials along the crossing path. - Cyclone separator according to claim 1, wherein the cyclone separator (1) comprises a containment body (3a) extending along an axis (A) and defining:- an intake (3b) preferably oriented tangentially to an intake ideal plane normal to said axis (A) and positioned at a first end portion of the containment body (3a); and- an exhaust (3c) located subsequently with respect to said intake (3b) along a crossing path subtended between the intake (3b) and the exhaust (3c), said crossing path being crossable by an air sucked in by the suction device, said exhaust (3c) being preferably positioned at a second end portion of the containment body (3a).
- Cyclone separator according to claims 1 or 2, wherein the filtering element (2) is shaped according to a cylindrical body, said cylindrical body comprising:- a coronal filtering portion (2a), said coronal filtering portion (2a) being mounted inside and / or contained inside the cyclone separator (1) under operating conditions of the suction device, the filtering element (2) being suitable for intercepting an air flow along said crossing path; and- an attestation flange (2b) which can be mounted, preferably in a reversible manner, in the cyclone separator and preferably at and / or near said exhaust (3c).
- Cyclone separator according to claim 3, wherein the filtering element (2) is a filter of the "HEPA" type, at least said coronal filtering portion (2a) consisting at least partially of a material made of canvas and / or mesh and / or porous material and / or spongy material, said material being supported by said attestation flange (2b).
- Cyclone separator according to any one of the preceding claims, wherein there are also constraining means, preferably of the reversible or removable type, operatively active between the containment body (3a) and at least the attestation flange (2b) of the filtering element (2).
- Cyclone separator according to any one of the previous claims, wherein said vorticity-inducing means (5) comprise a predetermined number of helical- and / or spiral-shaped channels extending into the containment body (3a) towards a space within the containment body (3a) itself and suitable for intercepting said air flow comprising waste and / or scrap materials, said helical- and / or spiral-shaped channels preferably defining a crossing path comprising at least one spiral segment from the intake (3b) to the exhaust (3c).
- Cyclone separator according to any one of the previous claims, wherein said helical- and / or spiral-shaped channels are suitable for intercepting the air flow comprising waste and / or scrap materials upstream from the filtering element (2) and preferably for directing it towards the latter under operating conditions of the suction device (1).
- Cyclone separator according to any of the previous claims, wherein there is also a separating cylinder (6) coaxially mounted in the main body (3a) and circumscribed at least to the filtering portion (2a) of the filtering element (2), the vorticity-inducing means (5) being mounted on said separating cylinder (6).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT201800005125 | 2018-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3669736A1 EP3669736A1 (en) | 2020-06-24 |
EP3669736B1 true EP3669736B1 (en) | 2022-10-12 |
Family
ID=69147380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19215177.7A Active EP3669736B1 (en) | 2018-12-21 | 2019-12-11 | Cyclonic separator device connectable to aspirators in workbenches, and aspirator machine fitted with said cyclonic separator |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3669736B1 (en) |
ES (1) | ES2929985T3 (en) |
PT (1) | PT3669736T (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030094875A (en) * | 2002-06-08 | 2003-12-18 | 엘지전자 주식회사 | Cyclone dust collector |
KR100459131B1 (en) * | 2002-06-08 | 2004-12-03 | 엘지전자 주식회사 | cyclone dust collector |
KR100883197B1 (en) * | 2002-09-11 | 2009-02-13 | 삼성광주전자 주식회사 | Grill assembly for a Cyclone-type dust collecting apparatus for a vacuum cleaner |
-
2019
- 2019-12-11 EP EP19215177.7A patent/EP3669736B1/en active Active
- 2019-12-11 ES ES19215177T patent/ES2929985T3/en active Active
- 2019-12-11 PT PT192151777T patent/PT3669736T/en unknown
Also Published As
Publication number | Publication date |
---|---|
PT3669736T (en) | 2022-11-02 |
ES2929985T3 (en) | 2022-12-05 |
EP3669736A1 (en) | 2020-06-24 |
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